Pocket protecting retainable cutter bit



FIG. 1 is a perspective view of a pocket protecting retainable cutter bit showing our new design in use condition mounted in a series connected to an auger;

FIG. 2 is an enlarged perspective view of a pocket protecting retainable cutter bit;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a right-side view thereof; and,

FIG. 8 is a left-side view thereof.

The application relates to the design of a cutter bit. The cutter bit has a tapered, cylindrical cutting section which terminates in a point and has a skirt section tapering outward near its midpoint. The other end of the cutter bit is cylindrical with two areas of lesser diameter than the surrounding areas. In the area closer to the skirt section there is an encircling hollow cylinder with an opening defined by opposing square-shaped projecting sections.

The unique design and appearance of this device are illustrated in the drawings.

The broken line showing of the augur and multiple cutting bits in FIG. 1 is included for the purpose of illustrating environmental use only and forms no part of the claimed design. 

The ornamental design for a pocket protecting retainable cutter bit, as shown and described. 